" Median sales prices for existing single-family homes continued to fall throughout the country in the fourth quarter, according to data released Thursday by the National Association of Realtors (NAR). The NAR reported that 134 — or 87.6 percent — of the 153 metropolitan statistical areas (MSAs) studied showed a decline in median existing home prices since the same quarter in 2007, “pulled down by active sales at the lower end that were driven by foreclosures.” One MSA — Sioux Falls, S.D. — showed no year-over-year change from $142,400 in the fourth quarter 2007 "